Prime Focus Kits (1.25") for Pentax There are 3 products.

Prime Focus Kit for Pentax K SLR & DSLR Cameras.Prime Focus – In this imaging method the camera is connected directly to the telescope and placed at the "prime" focus of the telescope. The telescope becomes the camera lens. No eyepiece is used in this method.

Kit is suitable for: Prime Focus – In this imaging method the camera is connected directly to the telescope and placed at the "prime" focus of the telescope. The telescope becomes the camera lens. No eyepiece is used in this method. Pentax "Q" Prime Focus Kit (all Q Model Mirrorless Models)

This Prime Focus Kit is suitable for: Prime Focus – In this imaging method the camera is connected directly to the telescope and placed at the "prime" focus of the telescope. The telescope becomes the camera lens. No eyepiece is used in this method. for Pentax S M42 "Screw Mount"